Superior performance of two homozygous diploid lines from naturally occurring polyhaploids in oilseed rape (Brassica napus) |
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| Authors: | K. F. Thompson |
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| Affiliation: | (1) Plant Breeding Institute, Trumpington, Cambridge, England |
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| Abstract: | Summary Homozygous diploids in oilseed rape were produced by pipetting drops of 0.1 per cent colchicine into the leaf axils of rooted cuttings from naturally occurring polyhaploids after removing the waxy covering with a scalpel. Trial results from spring and winter rape showed that occasional homozygous diploid lines yielded consistently more oil per ha than the parental varieties. Prospects for breeding oilseed rape as a self-fertilised crop are discussed. |
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| Keywords: | Brassica napus var. oleifera oilseed rape polyhaploid chromosome doubling homozygous diploid line |
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